Home / 7,224.39-10,828.22-3,320.60

Finding the Fourth Proportional to 7,224.39, 10,828.22 and 3,320.60

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Solution

The fourth proportional to 7,224.39, 10,828.22 and 3,320.60 is: 4,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224.39 : 10,828.22 = 3,320.60 : x
  2. Step 2: Convert to fraction form
    7,224.39/10,828.22 = 3,320.60/x
  3. Step 3: Cross multiply
    7,224.39x = 10,828.22 × 3,320.60
  4. Step 4: Simplify right side
    7,224.39x = 35,956,116.59
  5. Step 5: Solve for x
    x = 35,956,116.59/7,224.39
  6. Step 6: Final answer
    x = 4,977.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.